magnesium,butane,iodide 、 19
anti-((
R)-1-cyclohexyl-1-hydroxy-ethyl)-4,5α-epoxy-3,6-dimethoxy-17-methyl-6β,14-ethano-morphina-7,15-dienium; perchlorate 以
乙醚 为溶剂,
生成
(R)-1-((16S)-16-butyl-4,5α-epoxy-3,6-dimethoxy-17-methyl-6α,14α-etheno-morphinan-7α-yl)-1-cyclohexyl-ethanol